Finding the Fourth Proportional to 3,926,891.20, 5,890,336.80 and 2,037,323.20
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Solution
The fourth proportional to 3,926,891.20, 5,890,336.80 and 2,037,323.20 is: 3,055,984.80
Step by Step Solution
- Step 1: Write the proportion equation
3,926,891.20 : 5,890,336.80 = 2,037,323.20 : x - Step 2: Convert to fraction form
3,926,891.20/5,890,336.80 = 2,037,323.20/x - Step 3: Cross multiply
3,926,891.20x = 5,890,336.80 × 2,037,323.20 - Step 4: Simplify right side
3,926,891.20x = 12,000,519,818,453.76 - Step 5: Solve for x
x = 12,000,519,818,453.76/3,926,891.20 - Step 6: Final answer
x = 3,055,984.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.